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radon/llvm: br_cc f32 now lowered without cast

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Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
This commit is contained in:
Vincent Lejeune 2012-09-04 17:04:27 +02:00
parent 6a85725f13
commit a383142436
1 changed files with 24 additions and 9 deletions
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33
src/gallium/drivers/radeon/R600ISelLowering.cpp
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@ -34,7 +34,8 @@ R600TargetLowering::R600TargetLowering(TargetMachine &TM) :
computeRegisterProperties();
setOperationAction(ISD::BR_CC, MVT::i32, Custom);
setOperationAction(ISD::BR_CC, MVT::f32, Custom);
setOperationAction(ISD::FSUB, MVT::f32, Expand);
setOperationAction(ISD::INTRINSIC_VOID, MVT::Other, Custom);
@ -338,14 +339,28 @@ SDValue R600TargetLowering::LowerBR_CC(SDValue Op, SelectionDAG &DAG) const
SDValue JumpT = Op.getOperand(4);
SDValue CmpValue;
SDValue Result;
CmpValue = DAG.getNode(
ISD::SELECT_CC,
Op.getDebugLoc(),
MVT::i32,
LHS, RHS,
DAG.getConstant(-1, MVT::i32),
DAG.getConstant(0, MVT::i32),
CC);
if (LHS.getValueType() == MVT::i32) {
CmpValue = DAG.getNode(
ISD::SELECT_CC,
Op.getDebugLoc(),
MVT::i32,
LHS, RHS,
DAG.getConstant(-1, MVT::i32),
DAG.getConstant(0, MVT::i32),
CC);
} else if (LHS.getValueType() == MVT::f32) {
CmpValue = DAG.getNode(
ISD::SELECT_CC,
Op.getDebugLoc(),
MVT::f32,
LHS, RHS,
DAG.getConstantFP(1.0f, MVT::f32),
DAG.getConstantFP(0.0f, MVT::f32),
CC);
} else {
assert(0 && "Not valid type for br_cc");
}
Result = DAG.getNode(
AMDGPUISD::BRANCH_COND,
CmpValue.getDebugLoc(),